Derson



(No Model.)

A. T. McOOY. PRINTING TELEGRAPH.

' No. 431,987. Patented July 8, 1890.

UNITED STATES PATENT OFFICE.

ANDREWV T. MCCOY, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO JOHN AN- DERSON, OF NEW YORK, N. Y.

PRINTING-TELEGRAPH.

SPECIFICATION forming part of Letters Patent N0. 431,987, dated July 8, 1890.

Application filed October 17, 1887- Serial No. 252,642. (No model.)

To all whom, it may concern.-

Be it known that 1, ANDREW T. MCCOY, a subject of the Queen of Great Britain, residing at Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Printing-Telegraphs, of which the following is a specification, reference being had to the accompanying drawings.

My invention relates to the printing-machine of a printing-telegraph, and particularly to the means in such machine for inking; and it consists in the combination of an ink-tape with the platen or press roller and the type-wheel, and in the mechanism for opcrating said inktape, as hereinafterset forth, and specifically pointed out in the claims.

In the drawings, Figure 1 is a front view of so much of an electric printing-machine embodying my improvement as is suflicient to illustrate my invention. Fig. 2 is a side View of part of the same, one of the tape-wheels and the ratchet-wheel connected therewith being omitted in this figure.

On a shaft a, in fixed bearings b, I have shown a type-wheel A. The frame for supporting the type-wheel may, however, be that of any known electric printing-machine, and also the mechanism and apparatus for operating said wheel. The usual press-lever B, pivoted at c and bearing the armature cl for the press-magnet, carries at or near the outer end a platen or press roller 6. On shafts in fixed bearings oron studs f, fixed to the frame C, I locate two rollers or tape-wheels D and E. To each of these tape-wheels and concentric therewith is fixed one of two ratchetwheels F and G. A lever H is pivoted to the frame C, as at g, and has pivoted thereto at h a pawl I, which is formed at the outer end and located between the ratchet-wheels, that it may engage with only one of them at a time, and with either of them, as required.

Pivoted at one end to the press-lever B at will move lengthwise of this roller, and will pass over two fixed pins or two rollers, which will keep the tape in proper relation to the press-roller.

The paper strip (a portion being shown at Z) which is to be printed is carried over the press-roller in the usual manner and by mechanism which it is not necessary here to show.

In operation the pawl I is thrown over to engage with either of the ratchet-wheels, as desired. On each upward movement of the press-lever this pawl will move a ratchetwheel, and the tape, properly saturated with ink, will be wound upon the tape-wheel fixed to this ratchet-wheel and be unwound from the other tape-wheel, passin under thetypewheel, so as to present a fresh surface to be acted upon by the type.

I claim as my invention- 1. In an electric printing-machine, the combination of a press-lever, a-lever l-Larod connectin g said levers, two tape-wheels, a ratchetwheel fixed to each tape-wheel, apawl pivoted to the lever II for operating the ratchetwheels, and guide-pins for the tape, substantially as specified. 1

2. The combination of the press-lever, alever H, a rod J connecting these two levers, a pawl I, two tape-wheels I) and E, and two ratchet-wheels F and G, substantially as speci fied.

ANDREIV T. MCCOY.

\Vitnesses:

Enw. DUMMER, CHAUNOEY B. MoGEE. 

